Dosage is individualized based on the severity of factor VIII deficiency, location & extent of bleeding & patient's clinical condition.
Early haemarthrosis, muscle or oral bleeding 20-40% 12-24 hrly for at least 1 day.
More extensive haemarthrosis, muscle bleeding or haematoma 30-60% 12-24 hrly for 3-4 days.
Life threatening haemorrhages 60-100% 8-24 hrly.
Minor surgery including tooth extraction 30-60% 24 hrly for at least 1 day.
Major surgery (pre- & postop) 8-24 hrly. Then, repeat therapy for at least 7 days to maintain 30-60% factor VIII activity.